Muscle Anatomy

Muscles of Head and Neck

100

This muscle raises the eyebrows and wrinkles the forehead

Frontalis

200

This muscle has a primary function of chewing

Masseter

300

This muscle purses lips and creates a kissing motion.

Orbicularis Oris

400

This muscle adjust your nostril size.

Nasalis

500

This muscle rotates the head in the opposite direction of the contraction.

Sternocleidomastoid

Muscles of the Upper Extremities (Arms)

100

This muscle adducts, flexes, extends, and rotates the arm the arm

Deltoid

200

Extends the forearm

Triceps brachii

300

Flex the forearm and assists with the supination of it

Biceps brachii

400

This muscle extends adducts and medially rotates the arm

Latissimus Dorsi

500

These 2 muscles flex the forearm

Brachioradialis, Brachialis

Muscles of the trunk

100

Is necessary in lifting and moving the arms

Pectoralis Major

200

This muscle enables you to breathe

Diaphragm

300

This muscle extends and hyper extends the head

Trapezius

400

this muscle is responsible for Extension, lateral flexion, and rotation to the opposite side of the vertical column

Erector Spinae

500

Describe the difference in functionality between external and internal obliques

External obliques: flexion, lateral flexion, and rotation to OPPOSITE SIDE of trunk Internal obliques: flexion, lateral flexion, and rotation to SAME SIDE of trunk

Muscles of the Legs

100

This muscle points the toe upwards (dorsiflextion)

Tibialis Anterior

200

This muscle is responsible forthe extension and lateral rotation of leg

Gluteus maximus

300

This muscle is the longest muscle in the body and is responsible for the flexion, abduction, and lateral rotation of the thighs

Sartorius

400

This muscle is responsible for the plantar flexion of the feet and the flexion of the leg at the knee

Gastrocnemuis

500

Name the main muscles in the hamstring group

Biceps Femoris, Semimembranosus, Semitendinosus

Misc/Evil

100

To smile, the __________ muscle is contracted

Zygomaticus

200

What is a contusion? (muscle disorder)

A contusion is a bruise or bleeding within a muscle, resulting from an impact

300

Name ALL rotator cuff muscles >:)

Teres Minor, Supraspinatus, Subscapularis, Infraspinatus

400

Name at least 3 adductor muscles in the leg

Adductor Magnus, Adductor Brevis, Adductor Longus, Gracilis

500

What is the role of the Iliopsoas and where is it located? >:)

Location: anterior groin; connects ilium and lower vertebrae to femur Function: Flexion of leg at hip